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Avalon Limited
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Different variant/trim
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Section 64 (Engine Control System - Diagnostic Codes [A25A-FXS] (P0400-P0520))
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SFI System
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DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1 [04/2018 -]
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
WARNING:
This page is about a different variant/trim than selected.
Oxygen Storage Capacity (OSC) of catalyst (Normalized)
Less than 1